Knee brace



FIG. 1 is a perspective front view of a knee brace showing my new design;

FIG. 2 is a left view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front plan view thereof;

FIG. 7 is a rear plan view thereof;

FIG. 8 is a perspective front view of the knee brace shown in FIG. 1 with a bottom strap being detached therefrom;

FIG. 9 is a left view of the knee brace shown in FIG. 8;

FIG. 10 is a right view of the knee brace shown in FIG. 8;

FIG. 11 is a front plan view of the knee brace shown in FIG. 8;

FIG. 12 is a rear plan view of the knee brace shown in FIG. 8;

FIG. 13 is a top view of the knee brace shown in FIG. 8; and,

FIG. 14 is a bottom view of the knee brace shown in FIG. 8.

The stippling in the drawings indicates a contrast in appearance. 

CLAIM The ornamental design for a knee brace, as shown and described. 